[GitHub] spark issue #21599: [SPARK-24598][SQL] Overflow on arithmetic operations ret...

2018-08-02 Thread mgaido91
Github user mgaido91 commented on the issue: https://github.com/apache/spark/pull/21599 @cloud-fan I think this is just a wrong behavior (being against SQL standard is not the only issue), so I am not sure that makes sense to have it controlled by a config. Anyway, I agree that as it

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2018-08-02 Thread cloud-fan
Github user cloud-fan commented on the issue: https://github.com/apache/spark/pull/21599 I don't think we can change behavior like this without introducing a config. In Spark 3.0 we will add a "strict mode" and closely follow SQL standard. But for Spark 2.4, how about we keep the

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2018-07-31 Thread cloud-fan
Github user cloud-fan commented on the issue: https://github.com/apache/spark/pull/21599 ah that's a good point. Then maybe we should keep this "java style behavior" and add "strict mode" later. cc @rxin @rednaxelafx ---

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2018-07-31 Thread mgaido91
Github user mgaido91 commented on the issue: https://github.com/apache/spark/pull/21599 @cloud-fan ok, but then all arithmetic operations should be always `nullable = true`. I am not sure whether this can introduce performance regression (the additional checks are also going to

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2018-07-31 Thread cloud-fan
Github user cloud-fan commented on the issue: https://github.com/apache/spark/pull/21599 I prefer returning null, and introduce a strict mode in Spark 3.0. We can revisit all the returning null cases and think if we should fail if strict mode is on. ---

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2018-07-30 Thread mgaido91
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2018-07-16 Thread mgaido91
Github user mgaido91 commented on the issue: https://github.com/apache/spark/pull/21599 @cloud-fan @gatorsmile @hvanhovell what do you think about deciding a strategy about how to handle this case and try to make it happen in 2.4 as this is a correctness bug? Thanks. ---

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2018-06-21 Thread mgaido91
Github user mgaido91 commented on the issue: https://github.com/apache/spark/pull/21599 @cloud-fan it is not a regression, it has been like that at least since 2.0... --- - To unsubscribe, e-mail:

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2018-06-20 Thread cloud-fan
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2018-06-20 Thread mgaido91
Github user mgaido91 commented on the issue: https://github.com/apache/spark/pull/21599 @cloud-fan @gatorsmile the main issue which is causing the UT failures, now, is that since before we were allowing overflows, in aggregations we could have an overflow eventually fixed by another

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